private ITest BuildCalli()
{
var action = Build();
var typeBuilder = Module.DefineType(Guid.NewGuid().ToString(), TypeAttributes.Class | TypeAttributes.Public);
var pointerField = typeBuilder.DefineField("pointer", typeof(IntPtr), FieldAttributes.Private | FieldAttributes.InitOnly);
var delegateField = typeBuilder.DefineField("delegate", typeof(Delegate), FieldAttributes.Private | FieldAttributes.InitOnly);
var constructor = typeBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.HasThis, new[] { typeof(IntPtr), typeof(Delegate) });
var il = new GroboIL(constructor);
il.Ldarg(0);
il.Ldarg(1);
il.Stfld(pointerField);
il.Ldarg(0);
il.Ldarg(2);
il.Stfld(delegateField);
il.Ret();
var method = typeBuilder.DefineMethod("DoNothing", MethodAttributes.Public | MethodAttributes.Virtual, typeof(void), Type.EmptyTypes);
il = new GroboIL(method);
il.Ldarg(0);
il.Ldfld(pointerField);
il.Calli(CallingConventions.Standard, typeof(void), Type.EmptyTypes);
il.Ret();
typeBuilder.DefineMethodOverride(method, typeof(ITest).GetMethod("DoNothing"));
typeBuilder.AddInterfaceImplementation(typeof(ITest));
var type = typeBuilder.CreateType();
return((ITest)Activator.CreateInstance(type, new object[] { DynamicMethodInvokerBuilder.DynamicMethodPointerExtractor((DynamicMethod)action.Item2), action.Item1 }));
}
private SizeCounterDelegate BuildCounter(Type type, bool ignoreCustomSerialization)
{
IntPtr counter = GetCounter(type, ignoreCustomSerialization);
var dynamicMethod = new DynamicMethod(Guid.NewGuid().ToString(), typeof(int), new[] { typeof(object), typeof(bool), typeof(WriterContext) }, GetType(), true);
using (var il = new GroboIL(dynamicMethod))
{
il.Ldarg(0); // stack: [obj]
if (type.IsValueType)
{
il.Unbox_Any(type); // stack: [(type)obj]
}
else
{
il.Castclass(type); // stack: [(type)obj]
}
il.Ldarg(1); // stack: [(type)obj, writeEmpty]
il.Ldarg(2); // stack: [(type)obj, writeEmpty, context]
il.Ldc_IntPtr(counter); // stack: [(type)obj, writeEmpty, context, counter]
il.Calli(CallingConventions.Standard, typeof(int), new[] { type, typeof(bool), typeof(WriterContext) }); // counter((type)obj, writeEmpty, context); stack: []
il.Ret();
}
return((SizeCounterDelegate)dynamicMethod.CreateDelegate(typeof(SizeCounterDelegate)));
}
private WriterDelegate BuildWriter(Type type, bool ignoreCustomSerialization)
{
IntPtr writer = GetWriter(type, ignoreCustomSerialization);
var dynamicMethod = new DynamicMethod(Guid.NewGuid().ToString(), typeof(void), new[] { typeof(object), typeof(bool), typeof(IntPtr), typeof(int).MakeByRefType(), typeof(WriterContext) }, module, true);
using (var il = new GroboIL(dynamicMethod))
{
il.Ldarg(0); // stack: [obj]
if (type.IsValueType)
{
il.Unbox_Any(type); // stack: [(type)obj]
}
else
{
il.Castclass(type); // stack: [(type)obj]
}
il.Ldarg(1); // stack: [(type)obj, writeEmpty]
il.Ldarg(2); // stack: [(type)obj, writeEmpty, result]
il.Ldarg(3); // stack: [(type)obj, writeEmpty, result, ref index]
il.Ldarg(4); // stack: [(type)obj, writeEmpty, result, ref index, context]
il.Ldc_IntPtr(writer);
il.Calli(CallingConventions.Standard, typeof(void), new[] { type, typeof(bool), typeof(IntPtr), typeof(int).MakeByRefType(), typeof(WriterContext) }); // writer.write<T>((type)obj, writeEmpty, result, ref index, context); stack: []
il.Ret();
}
return((WriterDelegate)dynamicMethod.CreateDelegate(typeof(WriterDelegate)));
}
private static void BuildIlWithNativeCallingConvention(MethodBuilder methodBuilder)
{
using (var il = new GroboIL(methodBuilder))
{
il.Ldc_I4(10);
il.Ldarg(0);
il.Calli(CallingConvention.StdCall, typeof(int), new[] { typeof(int) });
il.Ret();
}
}
public void CallWriter(GroboIL il, Type type)
{
var counter = Context.GetWriter(type);
if (counter.Pointer != IntPtr.Zero)
{
il.Ldc_IntPtr(counter.Pointer);
}
else
{
il.Ldfld(Context.ConstantsType.GetField("pointers", BindingFlags.Static | BindingFlags.NonPublic));
il.Ldc_I4(counter.Index);
il.Ldelem(typeof(IntPtr));
}
il.Calli(CallingConventions.Standard, typeof(void), new[] { type, typeof(bool), typeof(IntPtr), typeof(int).MakeByRefType(), typeof(WriterContext) });
}
private SizeCounterDelegate <T> BuildCounter <T>(bool ignoreCustomSerialization)
{
var type = typeof(T);
IntPtr counter = GetCounter(type, ignoreCustomSerialization);
var dynamicMethod = new DynamicMethod(Guid.NewGuid().ToString(), typeof(int), new[] { type, typeof(bool), typeof(WriterContext) }, GetType(), true);
using (var il = new GroboIL(dynamicMethod))
{
il.Ldarg(0); // stack: [obj]
il.Ldarg(1); // stack: [obj, writeEmpty]
il.Ldarg(2); // stack: [obj, writeEmpty, context]
il.Ldc_IntPtr(counter); // stack: [obj, writeEmpty, context, counter]
il.Calli(CallingConventions.Standard, typeof(int), new[] { type, typeof(bool), typeof(WriterContext) }); // counter(obj, writeEmpty, context); stack: []
il.Ret();
}
return((SizeCounterDelegate <T>)dynamicMethod.CreateDelegate(typeof(SizeCounterDelegate <T>)));
}
public static void CallReader(GroboIL il, Type type, ReaderTypeBuilderContext context)
{
LoadReader(il, type, context);
il.Calli(CallingConventions.Standard, typeof(void), new[] { typeof(IntPtr), typeof(int).MakeByRefType(), type.MakeByRefType(), typeof(ReaderContext) });
}
private Type BuildReaderInvoker()
{
var argument = Type.GetGenericArguments()[0];
var typeBuilder = module.DefineType("ReaderInvoker_" + Type, TypeAttributes.Public | TypeAttributes.Class);
var reader = typeBuilder.DefineField("reader", typeof(IntPtr), FieldAttributes.Private);
var serializerId = typeBuilder.DefineField("serializerId", typeof(long), FieldAttributes.Private);
var constructor = typeBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.HasThis, new[] { typeof(IntPtr), typeof(long) });
using (var il = new GroboIL(constructor))
{
il.Ldarg(0); // stack: [this]
il.Ldarg(1); // stack: [this, reader]
il.Stfld(reader); // this.reader = reader; stack: []
il.Ldarg(0); // stack: [this]
il.Ldarg(2); // stack: [this, serializerId]
il.Stfld(serializerId); // this.serializerId = serializerId; stack: []
il.Ret();
}
var method = typeBuilder.DefineMethod("Read", MethodAttributes.Public, argument, new[] { typeof(byte[]) });
using (var il = new GroboIL(method))
{
var pinnedData = il.DeclareLocal(typeof(byte).MakeByRefType(), "pinnedData", true);
il.Ldarg(1); // stack: [data]
il.Ldc_I4(0); // stack: [data, 0]
il.Ldelema(typeof(byte)); // stack: [&data[0]]
il.Stloc(pinnedData); // pinnedData = &data[0]; stack: []
var index = il.DeclareLocal(typeof(int), "index");
il.Ldc_I4(0); // stack: [0]
il.Stloc(index); // index = 0; stack: []
var context = il.DeclareLocal(typeof(ReaderContext), "context");
il.Ldarg(0); // stack: [this]
il.Ldfld(serializerId); // stack: [this.serializerId]
il.Ldarg(1); // stack: [this.serializerId, data]
il.Ldlen(); // stack: [this.serializerId, data.Length]
il.Ldc_I4(0); // stack: [this.serializerId, data.Length, 0]
il.Ldc_I4(0); // stack: [this.serializerId, data.Length, 0, 0]
il.Newobj(typeof(ReaderContext).GetConstructor(new[] { typeof(long), typeof(int), typeof(int), typeof(int) })); // stack: [new ReaderContext(this.serializerId, data.Length, 0, 0)]
il.Stloc(context); // context = new ReaderContext(..); stack: []
var result = il.DeclareLocal(argument, "result");
il.Ldloc(pinnedData); // stack: [data]
il.Conv <IntPtr>(); // stack: [(IntPtr)data]
il.Ldloca(index); // stack: [(IntPtr)data, ref index]
il.Ldloca(result); // stack: [(IntPtr)data, ref index, ref result]
il.Ldloc(context); // stack: [(IntPtr)data, ref index, ref result, context]
il.Ldarg(0); // stack: [(IntPtr)data, ref index, ref result, context, this]
il.Ldfld(reader); // stack: [(IntPtr)data, ref index, ref result, context, this.reader]
var parameterTypes = new[] { typeof(IntPtr), typeof(int).MakeByRefType(), argument.MakeByRefType(), typeof(ReaderContext) };
il.Calli(CallingConventions.Standard, typeof(void), parameterTypes); // this.reader((IntPtr)data, ref index, ref result, context); stack: []
il.FreePinnedLocal(pinnedData); // pinnedData = null; stack: []
var retLabel = il.DefineLabel("ret");
il.Ldarg(1); // stack: [data]
il.Ldlen(); // stack: [data.Length]
il.Ldloc(index); // stack: [data.Length, index]
il.Beq(retLabel); // if(data.Length == index) goto ret; stack: []
il.Ldstr("Encountered extra data");
il.Newobj(typeof(DataCorruptedException).GetConstructor(new[] { typeof(string) }));
il.Throw();
il.MarkLabel(retLabel);
il.Ldloc(result);
il.Ret();
}
return(typeBuilder.CreateType());
}
